National Instruments cDAQ-9185 - Page 8

cDAQ-9185/9189 User Manual
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Chapter 4
Analog Output
Analog Output Data Generation Methods ........................................................................ 4-1
Software-Timed Generations.................................................................................... 4-1
Hardware-Timed Generations .................................................................................. 4-2
Buffered Analog Output ................................................................................... 4-2
Analog Output Triggering Signals ................................................................................... 4-3
Analog Output Timing Signals......................................................................................... 4-3
AO Sample Clock Signal.......................................................................................... 4-4
Routing AO Sample Clock to an Output Terminal .......................................... 4-4
AO Sample Clock Timebase Signal ......................................................................... 4-4
Delta-Sigma Modules ....................................................................................... 4-4
AO Start Trigger Signal............................................................................................ 4-5
Using a Digital Source...................................................................................... 4-5
Using an Analog Source ................................................................................... 4-5
Using a Time Source ........................................................................................ 4-5
Routing AO Start Trigger Signal to an Output Terminal ................................. 4-5
AO Pause Trigger Signal.......................................................................................... 4-6
Using a Digital Source...................................................................................... 4-6
Using an Analog Source ................................................................................... 4-7
Analog Output Sync Pulse................................................................................................ 4-7
Minimizing Glitches on the Output Signal....................................................................... 4-7
Using the Watchdog Timer............................................................................................... 4-8
Getting Started with AO Applications in Software .......................................................... 4-8
Chapter 5
Digital Input/Output and PFI
Digital Input/Output ......................................................................................................... 5-1
Serial DIO versus Parallel DIO Modules ................................................................. 5-1
Static DIO ................................................................................................................. 5-2
Digital Input.............................................................................................................. 5-2
Digital Input Triggering Signals....................................................................... 5-2
Digital Input Timing Signals ............................................................................ 5-2
Digital Input Filters .......................................................................................... 5-7
Getting Started with DI Applications in Software............................................ 5-7
Change Detection Event ........................................................................................... 5-8
Routing Change Detection Event to an Output Terminal................................. 5-8
Change Detection Acquisition.......................................................................... 5-8
Digital Output ........................................................................................................... 5-8
Digital Output Data Generation Methods......................................................... 5-9
Digital Output Triggering Signals .................................................................... 5-10
Digital Output Timing Signals ......................................................................... 5-10
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